name : batch-create-room-membership.rst **To create multiple room memberships** The following ``batch-create-room-membership`` example adds multiple users to a chat room as chat room members. It also assigns administrator and member roles to the users. :: aws chime batch-create-room-membership \ --account-id 12a3456b-7c89-012d-3456-78901e23fg45 \ --room-id abcd1e2d-3e45-6789-01f2-3g45h67i890j \ --membership-item-list "MemberId=1ab2345c-67de-8901-f23g-45h678901j2k,Role=Administrator" "MemberId=2ab2345c-67de-8901-f23g-45h678901j2k,Role=Member" Output:: { "ResponseMetadata": { "RequestId": "169ba401-d886-475f-8b3f-e01eac6fadfb", "HTTPStatusCode": 201, "HTTPHeaders": { "x-amzn-requestid": "169ba401-d886-475f-8b3f-e01eac6fadfb", "content-type": "application/json", "content-length": "13", "date": "Mon, 02 Dec 2019 22:46:58 GMT", "connection": "keep-alive" }, "RetryAttempts": 0 }, "Errors": [] } For more information, see `Creating a Chat Room <https://docs.aws.amazon.com/chime/latest/ug/chime-chat-room.html>`__ in the *Amazon Chime User Guide*.